{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["manufacturing standard", "machanical property", "manufacturing process", "machine or equipment", "concept or principle", "process parameter"], "input": "This paper presents a review of additive manufacturing technology and suitable techniques for offshore structures ."}
{"manufacturing standard": [], "machanical property": [], "manufacturing process": ["additive manufacturing"], "machine or equipment": [], "concept or principle": [], "process parameter": []}